Dec 06 13:02:54.496 INFO testing JacekPrzemieniecki/earley_parser against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 13:02:54.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:02:54.666 INFO [stdout] 8a791e75f5ce183e752a2c8719c873992ad05fd8cf9d27ed94c87e499049a02d
Dec 06 13:02:54.674 INFO running `"docker" "start" "-a" "8a791e75f5ce183e752a2c8719c873992ad05fd8cf9d27ed94c87e499049a02d"`
Dec 06 13:02:55.147 INFO [stderr] usermod: no changes
Dec 06 13:02:55.173 INFO [stderr]    Compiling earley_parser v0.1.0 (/source)
Dec 06 13:02:55.403 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 06 13:02:55.403 INFO [stderr]  --> src/main.rs:8:5
Dec 06 13:02:55.403 INFO [stderr]   |
Dec 06 13:02:55.403 INFO [stderr] 8 | use grammar::build_grammar;
Dec 06 13:02:55.403 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:55.403 INFO [stderr]   |
Dec 06 13:02:55.403 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 13:02:55.403 INFO [stderr] 
Dec 06 13:02:55.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:55.627 INFO [stderr]    --> src/parser.rs:227:9
Dec 06 13:02:55.627 INFO [stderr]     |
Dec 06 13:02:55.627 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 06 13:02:55.627 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:55.627 INFO [stderr]     |
Dec 06 13:02:55.627 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 13:02:55.627 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:55.627 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:55.627 INFO [stderr] 
Dec 06 13:02:55.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:55.628 INFO [stderr]    --> src/parser.rs:229:23
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 06 13:02:55.628 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:55.628 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:55.628 INFO [stderr] 
Dec 06 13:02:55.628 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:55.628 INFO [stderr]    --> src/parser.rs:230:24
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 06 13:02:55.628 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:55.628 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:55.628 INFO [stderr] 
Dec 06 13:02:55.628 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:55.628 INFO [stderr]    --> src/parser.rs:232:9
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 06 13:02:55.628 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:55.628 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:55.628 INFO [stderr] 
Dec 06 13:02:55.628 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:55.628 INFO [stderr]    --> src/parser.rs:234:13
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 06 13:02:55.628 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:55.628 INFO [stderr]     |
Dec 06 13:02:55.628 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:55.628 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:55.628 INFO [stderr] 
Dec 06 13:02:56.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 06 13:02:56.455 INFO [stderr] su: No module specific data is present
Dec 06 13:02:56.724 INFO running `"docker" "inspect" "8a791e75f5ce183e752a2c8719c873992ad05fd8cf9d27ed94c87e499049a02d"`
Dec 06 13:02:56.825 INFO running `"docker" "rm" "-f" "8a791e75f5ce183e752a2c8719c873992ad05fd8cf9d27ed94c87e499049a02d"`
Dec 06 13:02:56.906 INFO [stdout] 8a791e75f5ce183e752a2c8719c873992ad05fd8cf9d27ed94c87e499049a02d
Dec 06 13:02:56.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:02:57.079 INFO [stdout] 903619c9ea13edb09c7796c5490847e9b58eaebab2c9ea80d90c7533d22f9619
Dec 06 13:02:57.081 INFO running `"docker" "start" "-a" "903619c9ea13edb09c7796c5490847e9b58eaebab2c9ea80d90c7533d22f9619"`
Dec 06 13:02:57.415 INFO [stderr] usermod: no changes
Dec 06 13:02:57.442 INFO [stderr]    Compiling earley_parser v0.1.0 (/source)
Dec 06 13:02:57.719 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 06 13:02:57.719 INFO [stderr]  --> src/main.rs:8:5
Dec 06 13:02:57.719 INFO [stderr]   |
Dec 06 13:02:57.719 INFO [stderr] 8 | use grammar::build_grammar;
Dec 06 13:02:57.719 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:57.719 INFO [stderr]   |
Dec 06 13:02:57.719 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 13:02:57.719 INFO [stderr] 
Dec 06 13:02:57.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:57.929 INFO [stderr]    --> src/parser.rs:227:9
Dec 06 13:02:57.929 INFO [stderr]     |
Dec 06 13:02:57.929 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 06 13:02:57.929 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:57.929 INFO [stderr]     |
Dec 06 13:02:57.929 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 13:02:57.929 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:57.929 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:57.929 INFO [stderr] 
Dec 06 13:02:57.929 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:57.929 INFO [stderr]    --> src/parser.rs:229:23
Dec 06 13:02:57.929 INFO [stderr]     |
Dec 06 13:02:57.930 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 06 13:02:57.930 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 06 13:02:57.930 INFO [stderr]     |
Dec 06 13:02:57.930 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:57.930 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:57.930 INFO [stderr] 
Dec 06 13:02:57.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:57.932 INFO [stderr]    --> src/parser.rs:230:24
Dec 06 13:02:57.932 INFO [stderr]     |
Dec 06 13:02:57.932 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 06 13:02:57.932 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 06 13:02:57.932 INFO [stderr]     |
Dec 06 13:02:57.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:57.932 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:57.932 INFO [stderr] 
Dec 06 13:02:57.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:57.932 INFO [stderr]    --> src/parser.rs:232:9
Dec 06 13:02:57.933 INFO [stderr]     |
Dec 06 13:02:57.933 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 06 13:02:57.933 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:57.933 INFO [stderr]     |
Dec 06 13:02:57.933 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:57.933 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:57.933 INFO [stderr] 
Dec 06 13:02:57.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:02:57.933 INFO [stderr]    --> src/parser.rs:234:13
Dec 06 13:02:57.933 INFO [stderr]     |
Dec 06 13:02:57.933 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 06 13:02:57.933 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:02:57.933 INFO [stderr]     |
Dec 06 13:02:57.933 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:02:57.933 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 13:02:57.933 INFO [stderr] 
Dec 06 13:02:58.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 06 13:02:58.137 INFO [stderr] su: No module specific data is present
Dec 06 13:02:58.398 INFO running `"docker" "inspect" "903619c9ea13edb09c7796c5490847e9b58eaebab2c9ea80d90c7533d22f9619"`
Dec 06 13:02:58.461 INFO running `"docker" "rm" "-f" "903619c9ea13edb09c7796c5490847e9b58eaebab2c9ea80d90c7533d22f9619"`
Dec 06 13:02:58.542 INFO [stdout] 903619c9ea13edb09c7796c5490847e9b58eaebab2c9ea80d90c7533d22f9619
Dec 06 13:02:58.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 13:02:58.720 INFO [stdout] 45b8b5352f7e32c209adf98f4e2713151c70bb182e32cce67cf9460bc2fa557e
Dec 06 13:02:58.724 INFO running `"docker" "start" "-a" "45b8b5352f7e32c209adf98f4e2713151c70bb182e32cce67cf9460bc2fa557e"`
Dec 06 13:02:59.324 INFO [stderr] usermod: no changes
Dec 06 13:02:59.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 13:02:59.364 INFO [stderr]      Running /target/debug/deps/earley_parser-cce44ce5adc6e76d
Dec 06 13:02:59.364 INFO [stdout] 
Dec 06 13:02:59.364 INFO [stderr] su: No module specific data is present
Dec 06 13:02:59.364 INFO [stdout] running 0 tests
Dec 06 13:02:59.364 INFO [stdout] 
Dec 06 13:02:59.364 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 13:02:59.364 INFO [stdout] 
Dec 06 13:02:59.818 INFO running `"docker" "inspect" "45b8b5352f7e32c209adf98f4e2713151c70bb182e32cce67cf9460bc2fa557e"`
Dec 06 13:03:00.110 INFO running `"docker" "rm" "-f" "45b8b5352f7e32c209adf98f4e2713151c70bb182e32cce67cf9460bc2fa557e"`
Dec 06 13:03:00.428 INFO [stdout] 45b8b5352f7e32c209adf98f4e2713151c70bb182e32cce67cf9460bc2fa557e